Unit 1: Notes 1 Flashcards Preview

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Flashcards in Unit 1: Notes 1 Deck (38)
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1

what are the characteristics of life?

1. all living things have cells.
2. reproduce
3. grow and develop
4. respond to their environment
5. obtain and use energy
6. contain genetic material
7. homeostasis
8. Evolve

2

how did all living things respond to their environment?

by using a stimulus, which is something internal or extern all that causes a change in an organisms

3

how do all living things obtain and use energy?

by using metabolism, which is all the chemical reactions that happen in the body (break or build molecules)

4

__________ and ________ ALWAYS WORK TOGETHER

anatomy and physiology

5

what is anatomy?

describes structures of the body
-their scientific names
-composition
-location
-associated structures

6

what is physiology

studies the function of each structure individually and in combination

7

what are the levels of organization?

Atoms, molecules, cells, tissues, organs, organ system, organism

8

what are atoms?

smallest functional units of matter

9

what are molecules?

Active chemicals and combinations of Atoms

10

what are cells

smallest unit of life

11

what is a tissue

groups of cells that work together

12

what are organs

two or more tissue types working together

13

what are organ systems

two or more organs working together

14

what is an organism

A single individual

15

name the organs of the integumentary system

skin, hair, sweats glands, nails

16

what are the functions of the integumentary system

protect against environmental hazards, regulate body temperature, provide sensory input

17

name the organs of the nervous system

Brain, spinal cord, peripheral nerves, sensory organs

18

name the functions of the nervous system

Direct immediate response to stimuli, coordinate other organ systems, provide and interpret sensory info

19

name the organs of the skeletal system

bones, cartilage, ligaments, bone marrow

20

name the functions of the skeletal

provide support and protection for other tissues, store calcium and other minerals, form blood cells

21

name the organs of the muscular system

skeletal muscle, associated tendons

22

name the functions of the muscular system

provide movement, provide protection and support for other tissue, generate heat

23

name the functions of the endocrine system

Controls body but not as fast as nervous system by releasing hormones

24

name the organs of the endocrine system

glands, pancreas, endocrine tissues

25

name the organs of the cardiovascular system

heart, blood vessels, blood

26

name the functions of the cardiovascular system

pump blood, give blood cells waters and nutrients, controls body temperature

27

name the organs of the immune system

spleen, and lymphatic vessels, lymph nodes

28

name the functions of the immune system

defend against infection and disease

29

name the organs of the respiratory system

nasal cavities, trachea, bronchi

30

name the functions of the respiratory system

produces sound, produces oxygen, oxygen comes into the bloodstream, carbon dioxide goes out of the bloodstream